DE69707240D1 - Switchgear and method for avoiding contact degradation - Google Patents

Switchgear and method for avoiding contact degradation

Info

Publication number
DE69707240D1
DE69707240D1 DE69707240T DE69707240T DE69707240D1 DE 69707240 D1 DE69707240 D1 DE 69707240D1 DE 69707240 T DE69707240 T DE 69707240T DE 69707240 T DE69707240 T DE 69707240T DE 69707240 D1 DE69707240 D1 DE 69707240D1
Authority
DE
Germany
Prior art keywords
switchgear
avoiding contact
contact degradation
degradation
avoiding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69707240T
Other languages
German (de)
Other versions
DE69707240T2 (en
Inventor
Katsuya Takahashi
Yukihiro Takahashi
Shigeyuki Mori
Kazushi Sugawara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Tokin Iwate Ltd
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Publication of DE69707240D1 publication Critical patent/DE69707240D1/en
Application granted granted Critical
Publication of DE69707240T2 publication Critical patent/DE69707240T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/64—Protective enclosures, baffle plates, or screens for contacts
    • H01H1/645—Protective enclosures, baffle plates, or screens for contacts containing getter material
DE69707240T 1996-11-18 1997-11-17 Switchgear and method for avoiding contact degradation Expired - Fee Related DE69707240T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8306743A JP3001437B2 (en) 1996-11-18 1996-11-18 Electrical contact and its activation suppression method

Publications (2)

Publication Number Publication Date
DE69707240D1 true DE69707240D1 (en) 2001-11-15
DE69707240T2 DE69707240T2 (en) 2002-10-24

Family

ID=17960781

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69707240T Expired - Fee Related DE69707240T2 (en) 1996-11-18 1997-11-17 Switchgear and method for avoiding contact degradation

Country Status (6)

Country Link
US (1) US5936217A (en)
EP (1) EP0843328B1 (en)
JP (1) JP3001437B2 (en)
KR (1) KR100295166B1 (en)
CA (1) CA2221465C (en)
DE (1) DE69707240T2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015200444A1 (en) * 2014-06-24 2015-12-30 Saudi Arabian Oil Company Encapsulation of an acid precursor for oil field applications

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2231576A (en) * 1938-02-05 1941-02-11 Gen Electric Electric circuit interrupter
US2377866A (en) * 1940-08-02 1945-06-12 Gen Electric Aminoplasts having intercondensed therein a partial amide of a polycarboxylic acid
US3222489A (en) * 1964-05-04 1965-12-07 Stanford Research Inst Process for inhibition of electrical-contact failure
EP0061655B2 (en) * 1981-03-31 1990-03-28 Hans Sauer Switch chamber for electric contacts sealed from the environment
JPS6380738A (en) * 1986-09-24 1988-04-11 Matsushita Electric Ind Co Ltd Electric contact
CH683727A5 (en) * 1992-06-11 1994-04-29 Alcatel Str Ag Relay.
JPH06162859A (en) * 1992-11-17 1994-06-10 Omron Corp Opening/closing contact for relay switch
US5352424A (en) * 1993-02-16 1994-10-04 The Dow Chemical Company Aluminum nitride powder having a reduced ammonia odor and a method for preparing the same

Also Published As

Publication number Publication date
CA2221465C (en) 2002-01-01
EP0843328A3 (en) 1998-12-16
JPH10149734A (en) 1998-06-02
US5936217A (en) 1999-08-10
EP0843328A2 (en) 1998-05-20
DE69707240T2 (en) 2002-10-24
KR19980042494A (en) 1998-08-17
KR100295166B1 (en) 2001-07-12
EP0843328B1 (en) 2001-10-10
CA2221465A1 (en) 1998-05-18
JP3001437B2 (en) 2000-01-24

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: NEC TOKIN IWATE, LTD., IWATE, JP

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee